Ergotron Desk Mount for Monitor - White - 2 Display(s) Supported - 101.6 cm (40") Screen Support - 19.96 kg Load Capacity - 75 x 75, 100 x 100 Sleek and streamlined, the LX is the perfect desk accessory to add flexibility to your monitors. The tall pole accommodates monitors up to 40". Place them exactly where you want for ergonomic comfort. Add a third or fourth display using the LX Arm, Extension and Collar Kit accessory.